I bleve the mags are specific to the rifle, and the action reminds me more of an SKS. I wanted one but Odumbo's reign drove the sticker price up over $1000 from about $700 for the Czechpoint version. https://www.czechpoint-usa.com/sa-vz58-rifles
Now the version sold by Century Arms, I believe it's price never beat $600. I am not interested in the Century version myself, personal preference not evidence. http://www.gunbroker.com/Auction/ViewItem.aspx?Item=399727926
Edit* Sorry, just read the "Century Arms" part of your link.